16-letter words containing a, n, p, r
- prognostic chart — a chart showing the predicted state of the atmosphere for a given time in the future.
- progress payment — an instalment of a larger payment made to a contractor for work carried out up to a specified stage of the job
- project guardian — (project, security) A project which grew out of the ARPA support for Multics and the sale of Multics systems to the US Air Force. The USAF wanted a system that could be used to handle more than one security classification of data at a time. They contracted with Honeywell and MITRE Corporation to figure out how to do this. Project Guardian led to the creation of the Access Isolation Mechanism, the forerunner of the B2 labeling and star property support in Multics. The DoD Orange Book was influenced by the experience in building secure systems gained in Project Guardian.
- project planning — project management
- projection paper — sensitized paper for recording a projected image.
- projective plane — (mathematics) The space of equivalence classes of vectors under non-zero scalar multiplication. Elements are sets of the form {kv: k != 0, k scalar, v != O, v a vector} where O is the origin. v is a representative member of this equivalence class. The projective plane of a vector space is the collection of its 1-dimensional subspaces. The properties of the vector space induce a topology and notions of smoothness on the projective plane. A projective plane is in no meaningful sense a plane and would therefore be (but isn't) better described as a "projective space".
- prolonged-action — sustained-release.
- promotional code — A promotional code is a code offered by retailers to customers who can use it to receive a discounted price when buying products online.
- property company — a business that makes money by buying, selling, and renting out land and houses
- proposal writing — Extension of Fortran for proposal writing.
- proprietary name — a name of a product or service that is protected by a patent, copyright, or trademark and cannot be used by another party for commercial purposes without permission of the registered owner or licensee.
- prosecution case — the case brought against someone by a legal authority
- proslambanomenos — the lowest note of the scale in ancient Greek music
- protection ratio — the minimum acceptable ratio between the amplitudes of a wanted radio or television broadcast signal and any interfering signal
- protestant ethic — work ethic.
- proto-algonquian — the unattested parent language from which the Algonquian languages are descended.
- provost sergeant — the senior noncommissioned officer of a prison or other confinement facility whose chief duty is the supervision of prisoners and of the military police unit.
- proxima centauri — the nearest star to the sun at a distance of 4.3 light-years, part of the Alpha Centauri triple-star system located in the constellation Centaurus.
- pseudo-isidorian — of or relating to the collection of documents of the 9th century a.d. that consist chiefly of the Decretals, attributed to Isidore, archbishop of Seville, a.d. 600–36, and that were rejected as spurious in the 15th century.
- pseudoparenchyma — (in certain fungi and red algae) a compact mass of tissue, made up of interwoven hyphae or filaments, that superficially resembles plant tissue.
- public relations — (used with a plural verb) the actions of a corporation, store, government, individual, etc., in promoting goodwill between itself and the public, the community, employees, customers, etc.
- public transport — fare-paying travel
- puddling-furnace — the act of a person or thing that puddles.
- pulmonary artery — an artery conveying venous blood from the right ventricle of the heart to the lungs.
- punctuation mark — any of a group of conventional marks or characters used in punctuation, as the period, comma, semicolon, question mark, or dash.
- purchasing agent — a person who buys materials, supplies, equipment, etc., for a company.
- purchasing power — Also called buying power. the ability to purchase goods and services.
- purple gallinule — a purple, blue, green, and white gallinule, Porphyrula martinica, inhabiting warmer areas of the New World, having a bright red, yellow, and blue bill, and lemon-yellow legs and feet.
- purple sandpiper — a sandpiper, Calidris maritima, of arctic regions of the New and Old World, having in winter a slate-gray back with purplish reflections.
- put a foot wrong — to make a mistake
- put one's oar in — to interfere or interrupt
- put pen to paper — If you put pen to paper, you write something.
- pyrovanadic acid — an oxyacid of vanadium, known chiefly in the form of its vanadate salts; Formula: H4V2O7
- quantum computer — a computer that makes use of the quantum states of electrons or other particles to store and process information as quantum bits.
- racial profiling — the use of personal characteristics or behavior patterns to make generalizations about a person, as in gender profiling.
- radio microphone — a microphone incorporating a radio transmitter so that the user can move around freely
- radio-phonograph — a radio and phonograph combined in one unit and sharing some components, as the amplifier and speaker(s)
- radiotransparent — transparent to radiation; invisible in x-ray photographs and under fluoroscopy (opposed to radiopaque).
- rainbow seaperch — an embiotocid fish, Hypsurus caryi, living off the Pacific coast of North America, having red, orange, and blue stripes on the body.
- ramen profitable — If a startup business is ramen profitable, it is barely profitable, just enough to allow the founder to live on the cheapest diet.
- ramsden eyepiece — an eyepiece consisting of two plano-convex crown-glass lenses of equal focal length, placed with the convex sides facing each other and with a separation between the lenses of about two-thirds of the focal length of each.
- re-apportionment — the act of redistributing or changing the apportionment of something.
- re-appropriation — the act of appropriating.
- recapitalization — a revision of a corporation's capital structure by an exchange of securities.
- reconceptualized — to form into a concept; make a concept of.
- redemption value — the price at which the issuing company may choose to repurchase a security before its maturity date
- refinery upgrade — A refinery upgrade is the process of introducing the newest technology in some parts of the refinery.
- reflection plane — a plane through a crystal that divides the crystal into two halves that are mirror images of each other.
- reinsurance pool — the grouping of insurers that provide partial or complete insurance coverage to other insurers for (a risk on which a policy has already been issued)
- reinterpretation — the act of interpreting; elucidation; explication: This writer's work demands interpretation.